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Finding the Fourth Proportional to 250,877.58, 346,373.19 and 155,485.50

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Solution

The fourth proportional to 250,877.58, 346,373.19 and 155,485.50 is: 214,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,877.58 : 346,373.19 = 155,485.50 : x
  2. Step 2: Convert to fraction form
    250,877.58/346,373.19 = 155,485.50/x
  3. Step 3: Cross multiply
    250,877.58x = 346,373.19 × 155,485.50
  4. Step 4: Simplify right side
    250,877.58x = 53,856,008,633.75
  5. Step 5: Solve for x
    x = 53,856,008,633.75/250,877.58
  6. Step 6: Final answer
    x = 214,670.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.